I asked our good friends at DTLT to look into the notion of interactive maps. They suggested the following:

We think that MapLib might be a really good solution for this (http://www.maplib.net/). Essentially, it lets you use the Google Maps user interface (annotating, editing, sharing) on any image.

It looks like you can take the map image created by Dr. Hanna’s class and then tag them and embed them. I suggest you play around a bit with the interface and see if it does what your group is looking to do.